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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Jun 29, 2018

RELATED IDEAS

Wrong result from reading System Temporal Tables with CURRENT TEMPORAL SYSTEM_TIME set to a non-NULL value

When reading System Temporal Tables we set a value for the special register CURRENT TEMPORAL SYSTEM_TIME in order to get the appropriate result. If it is NULL only the base table is read. If it is not NULL we want both the base table and the history table to be read to get the information for the specified timestamp. If we, by accident, use the bind option SYSTIMESENSITIVE(NO) the history table will not be read regardless of what value we use for CURRENT TEMPORAL SYSTEM_TIME and we will not know that we get the wrong result.
When reading a System Temporal Table Db2 should return a negative SQL-code if CURRENT TEMPORAL SYSTEM_TIME is not NULL and the package is bound with SYSTIMESENSITIVE(NO) as we will not get the result we asked for. The check has to be made in runtime as the special register may be set in another package or package invocation than the select.
  • Admin
    Janet Figone
    Reply
    |     Dec 30, 2020

    Thank you for submitting this Db2 for z/OS enhancement request. We have reviewed this request and believe it may a good candidate for the Db2 for z/OS product. However, it is not in our current roadmap and we are unable to deliver it within the next 24 months. Therefore, unfortunately, we will not be implementing this Idea.

    We appreciate your input to the Db2 for z/OS development team. We also hope that you will continue to submit ideas for improvements as customer feedback is a key component to shaping the future direction of Db2 for z/OS.

    Sincerely,

    Db2 for z/OS Team

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